EPA Method 8290 Polychlorinated Dibenzodioxins

EPA Method 8290 Polychlorinated Dibenzodioxins

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时间:2019-10-18

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1、METHOD8290POLYCHLORINATEDDIBENZODIOXINS(PCDDs)ANDPOLYCHLORINATEDDIBENZOFURANS(PCDFs)BYHIGH-RESOLUTIONGASCHROMATOGRAPHY/HIGH-RESOLUTIONMASSSPECTROMETRY(HRGC/HRMS)1.0SCOPEANDAPPLICATION1.1Thismethodprovidesproceduresforthedetectionandquantitativemeasurementofpolychlorinated

2、dibenzo-p-dioxins(tetra-throughoctachlorinatedhomologues;PCDDs),andpolychlorinateddibenzofurans(tetra-throughoctachlorinatedhomologues;PCDFs)inavarietyofenvironmentalmatricesandatpart-per-trillion(ppt)topart-per-quadrillion(ppq)concentrations.Thefollowingcompoundscanbedet

3、erminedbythismethod:_______________________________________________________________________________aCompoundNameCASNo2,3,7,8-Tetrachlorodibenzo-p-dioxin(TCDD)1746-01-61,2,3,7,8-Pentachlorodibenzo-p-dioxin(PeCDD)40321-76-41,2,3,6,7,8-Hexachlorodibenzo-p-dioxin(HxCDD)57653-

4、85-71,2,3,4,7,8-Hexachlorodibenzo-p-dioxin(HxCDD)39227-28-61,2,3,7,8,9-Hexachlorodibenzo-p-dioxin(HxCDD)19408-74-31,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin(HpCDD)35822-39-41,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin(OCDD)3268-87-92,3,7,8-Tetrachlorodibenzofuran(TCDF)51207-

5、31-91,2,3,7,8-Pentachlorodibenzofuran(PeCDF)57117-41-62,3,4,7,8-Pentachlorodibenzofuran(PeCDF)57117-31-41,2,3,6,7,8-Hexachlorodibenzofuran(HxCDF)57117-44-91,2,3,7,8,9-Hexachlorodibenzofuran(HxCDF)72918-21-91,2,3,4,7,8-Hexachlorodibenzofuran(HxCDF)70648-26-92,3,4,6,7,8-Hex

6、achlorodibenzofuran(HxCDF)60851-34-51,2,3,4,6,7,8-Heptachlorodibenzofuran(HpCDF)67562-39-41,2,3,4,7,8,9-Heptachlorodibenzofuran(HpCDF)55673-89-71,2,3,4,6,7,8,9-Octachlorodibenzofuran(OCDF)39001-02-0__________________________________________________________________________

7、______aChemicalAbstractServiceRegistryNumber1.2Theanalyticalmethodcallsfortheuseofhigh-resolutiongaschromatographyandhigh-resolutionmassspectrometry(HRGC/HRMS)onpurifiedsampleextracts.Table1liststhevarioussampletypescoveredbythisanalyticalprotocol,the2,3,7,8-TCDD-basedmet

8、hodcalibrationlimits(MCLs),andotherpertinentinformation.Samplescontainingconcentrationsofspecifi

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